diff --git a/Octokit.Tests/Helpers/StringExtensionsTests.cs b/Octokit.Tests/Helpers/StringExtensionsTests.cs
index 0b7171db..51068460 100644
--- a/Octokit.Tests/Helpers/StringExtensionsTests.cs
+++ b/Octokit.Tests/Helpers/StringExtensionsTests.cs
@@ -57,8 +57,8 @@ namespace Octokit.Tests.Helpers
             [InlineData("https://host.com/path?name=other", "https://host.com/path?name=other")]
             [InlineData("https://host.com/path?name=example name.txt", "https://host.com/path{?name}")]
             [InlineData("https://host.com/path", "https://host.com/path{?other}")]
-            [InlineData("https://host.com/path?name=example name.txt,label=labeltext", "https://host.com/path{?name,label}")]
-            [InlineData("https://host.com/path?name=example name.txt,label=labeltext", "https://host.com/path{?name,label,other}")]
+            [InlineData("https://host.com/path?name=example name.txt&label=labeltext", "https://host.com/path{?name,label}")]
+            [InlineData("https://host.com/path?name=example name.txt&label=labeltext", "https://host.com/path{?name,label,other}")]
             public void ExpandsUriTemplates(string expected, string template)
             {
                 Assert.Equal(expected, template.ExpandUriTemplate(new { name = "example name.txt",label="labeltext" }).ToString());